| 摘要 |
A wind turbine generator in which the temperature in a rotor head can be managed is provided. The wind turbine generator 1 includes, in a nacelle 3, a driving and generating mechanism that is connected to a rotor head 4 equipped with wind turbine blades 5, and devices are disposed inside the rotor head 4, wherein a rotary joint 30 is interposed on a driving shaft that joins the rotor head 4 and the nacelle 3, and fluid for regulating the temperature in the rotor head is supplied from the interior of the nacelle 3 into the rotor head 4 through the rotary joint 30. |
